Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Is the whole universe just a simulation?

With cocoa prices high, Hershey’s has changed some of its candy recipes. The grandson of the man who invented the original Peanut Butter Cup said he was “embarrassed.” By Claire Brown The Trump ...

El Niño–Southern Oscillation (ENSO) profoundly affects Australian weather, climate, ecosystems and socio-economic sectors. This Review presents the progress made in understanding ENSO teleconnections ...

Hydrocarbons can persist and migrate far deeper than previously assumed and may coexist with natural hydrogen, geothermal fluids, and metal-rich brines, according to a synthesis of geochemical and ...